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High Birefringence Laser Crystals 0.5deg Negative Uniaxial Crystal

  • High Birefringence Laser Crystals 0.5deg Negative Uniaxial Crystal
Place of Origin Wuhan, China
Brand Name STAR OPTIC
Certification RoHS, ISO9001
Model Number Calcite
Minimum Order Quantity 1pc
Price Negotiable
Packaging Details Safe and dust-free packing
Delivery Time Negotiable
Payment Terms T/T, Western Union, Paypal
Supply Ability 50000pcs/Month

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Product Details
Product Name Birefringent Crystal Calcite Usage Idea Material For NIR Polarizers, Such As Glan Thompson, And Glan Taylor, Glan Laser Polarizer.
Feature Negative Uniaxial Crystal That Has High Birefringence Transparency Range 350nm ~ 2300nm
Crystal Structure Crystalline Rhombihedral Mohs Hardness 3
High Light

High Birefringence Laser Crystals

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Laser Crystals 0.5deg

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0.5deg Negative Uniaxial Crystal
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Product Description

Birefringent Crystal Calcite

Overview:

Calcite is a negative uniaxial crystal that has high birefringence, wide spectral transmission and availability in reasonably sized rhombs.

 

Although is a fairly soft crystal and is easily scratched, it is an ideal material used as visible and near IR polarizers, such as Glan Thompson, and Glan Taylor, Glan laser polarizer.

 

 

 

General Specifications Of Calcite: 

Dimension Tolerance ±0.1mm
Optical Axis Orientation ±0.5deg
Surface Quality 20/10 Scratch and Dig
Clear Aperture >90%
Surface Flatness <λ/4@633nm
Wavefront Distortion <λ/2@633nm
Parallelism <15 arc seconds
Perpendicularity <10 arc minutes
AR Coating Per your Request

 

 

 

Physical and Optical Properties of Calcite:

Crystal Structure Crystalline rhombihedral
Density 2.7 g/cm3
Mohs Hardness 3
Hygroscopic Susceptibility Low
Transparency Range 350nm ~ 2300nm
Thermal Expansion Coefficient aa=24.39x10-6/K
ac=5.68x10-6/K
Crystal Class Negative uniaxial with no=na=nb, ne=nc

Refractive Index

Birefringence (Δn=ne-no)

Walk-Off Angle at 45deg(ρ)

no=1.6557, ne=1.4852, Δn= -0.1705, ρ=6.32 @633nm

no=1.6381, ne=1.4783, Δn= -0.1598, ρ=6.20 @1300nm
Sellmeier Equations (λ in um) no2=2.69705+0.0192064/(λ2-0.01820)-0.0151624λ2
ne2=2.18438+0.0087309/(λ2-0.01018)-0.0024411λ2

 

 

 

 

Tags:

BBO Nonlinear Crystal

Nd Yag Laser Rods

Negative Uniaxial Crystal